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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

East Casey County Water District

Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and drinking water.

MORE ABOUT THIS CONTAMINANT

 

40

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND400ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 70 ppb

The EWG Health Guideline of 70 ppb for cobalt was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against change in blood chemistry.

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-20201402250304AMND
2014-02-20201402250299AMND
2014-02-20201402250286AMND
2014-02-20201402250297AMND
2014-02-20201402250294AMND
2014-02-20201402250302AMND
2014-02-20201402250288AMND
2014-02-20201402250292AMND
2014-02-21201402250306AMND
2014-02-21201402250308AMND
2014-05-19201405280310AMND
2014-05-19201405280329AMND
2014-05-19201405280337AMND
2014-05-19201405280333AMND
2014-05-19201405280331AMND
2014-05-19201405280339AMND
2014-05-19201405280335AMND
2014-05-19201405280312AMND
2014-05-20201405280318AMND
2014-05-20201405280316AMND
2014-08-19201408270632AMND
2014-08-19201408270634AMND
2014-08-19201408270639AMND
2014-08-19201408270630AMND
2014-08-19201408270622AMND
2014-08-19201408270628AMND
2014-08-19201408270637AMND
2014-08-19201408270620AMND
2014-08-20201408270624AMND
2014-08-20201408270626AMND
2014-11-12201411180218AMND
2014-11-12201411180216AMND
2014-11-12201411180209AMND
2014-11-12201411180201AMND
2014-11-12201411180205AMND
2014-11-12201411180203AMND
2014-11-12201411180199AMND
2014-11-12201411180207AMND
2014-11-13201411180214AMND
2014-11-13201411180212AMND